<html>
<head>
    <meta charset="UTF-8">
    <meta name="description" content="">
    <meta name="keywords" content="">
    <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no"/>
    <meta name="apple-mobile-web-app-status-bar-style" content=" black "/>
    <meta name="format-detection" content="telephone=no"/>
    <meta name="full-screen" content="yes">
    <meta name="x5-fullscreen" content="true">
    <meta name="applicable-device" content="mobile">
    <title>es6</title>
    <style media="screen">
    .container{
          display: flex;
          flex-wrap: wrap;
          width: 300px;
          padding-top: 4px;
        }
        .ceil{
          box-sizing: border-box;
          border: 4px solid #ccc;
          width: 100px;
          height: 100px;
          line-height: 100px;
          text-align: center;
          vertical-align: middle;
          margin-left: -4px;
          margin-top: -4px;
        }
        .ceil:nth-child(3n+1){
          margin-left: 0;
        }
        .ceil:hover{
          border-color: red;
          z-index: 2
        }
    .main .son{
      display: list-item;
    }

    </style>
</head>
<body>
<div class="container">
  <div class="ceil">1</div>
  <div class="ceil">2</div>
  <div class="ceil">3</div>
  <div class="ceil">4</div>
  <div class="ceil">5</div>
  <div class="ceil">6</div>
  <div class="ceil">7</div>
  <div class="ceil">8</div>
  <div class="ceil">9</div>
</div>
<div class="main">
  <span class="son">这是列表</span>
  <span class="son">这是列表</span>
  <span class="son">这是列表</span>
  <span class="son">这是列表</span>
  <span class="son">这是列表</span>
  <span class="son">这是列表</span>
  <span class="son">这是列表</span>
  <span class="son">这是列表</span>
  <span class="son">这是列表</span>
  <span class="son">这是列表</span>
</div>
<script src="js/index.js"></script>
</body>
</html>
